下面就来看看GRE写作题库的经典300句。 

271. Television violence has contributed directly to rising crime , as evidenced by statistics showing a dramatic rise in copycat crimes .

数据显示模仿的犯罪行为有大幅度的增加，这证明电视暴力是犯罪增加的一部分直接原因。

272. The introduction of adcance agronomic techniques has contributed greatly to the development of agriculture , as indicated by statistics showing increased output in each of the past five years .

数据显示在过去的五年中，每一年的产量都有提高，这表明发达的农业技术的引入对农业发展起到了很大的作用。

273. While it may appear that the gap between rich and poor people is narrowing somewhat , recently released evidence suggests that the opposite is true .

贫富之间的差距看似有一定的缩小，但是最近发布的证据表明事实正好相反。

274. While attaining world peace remains within the realm of possibility , the prevailing trend revolves around regional conflicts and internal strife in many countries .

获得世界和平是有可能的，但是普遍的趋势是存在地区冲突和许多国家内部的斗争。

275. Although statistics are quite often far less reliable than one might wish , other reliable information allows one to closely approximate industrial output figures .

尽管数据经常比人们希望的不可靠得多，但是，其他可靠的信息使人们能得到接近工业产量的数字。

276. Although random sampling used for many surveys fails to cover large segments of the population , the procedure nonetheless offers insight into voting and consumption patterns .

虽然许多调查所用的随机取样不能覆盖大部分人口，但是这一过程使人们能更深刻地理解选举和消费的模式。

277. The need for more government services has proved to be the case time and again .

事实多次证明需要更多的政府服务工作。

278. The funny thing about marriage is that the newness soon wears off .

婚姻的一个可笑之处是新鲜感马上就没有了。

279. There are instances when one must abandon the tendency for self-prevention in order to assist a person in grave danger .

存在这样的情况：为了帮助处于严重危险中的人，一个人必需抛弃自保的倾向。

以上的内容供大家参考和学习。